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《Journal of Hunan University(Natural Sciences)》 2009-05
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Electric Vehicle Battery Management System Based on DSP

HE Li-ping1,ZHAO Xi1,DING Zhou-bo1,FENG Kun1,ZHOU Dian-wu1,GAO Xue-feng2 (1.State Key Laboratory of Advanced Design and Manufacture for Vehicle Body,Hunan Univ,Changsha,Hunan 410082,China;2.Shenzhen Lexel Battery Co.Ltd.Shenzhen,Guangdong 518040,China)  
According to the data obtained from charge/discharge experiments and on-site data from a running Electric Vehicle(EV),a battery management system has been developed on the basis of 32-bits DSP controller TMS320C2812.The functions of the system include data monitoring,State of Charge(SOC) estimation,Controller Area Network(CAN) communications,USB-based data storage and so on.This paper also proposed an improved SOC estimation method,which divides into three algorithms according to the state of batteries.In the algorithm of the dynamic discharge state,Ampere/hours method is integrated with RBF neural network,and its accuracy and practicality are validated via Matlab and Advisor simulation.
【Fund】: 湖南大学“211工程”基金项目资助
【CateGory Index】: U469.72;U463.63
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